Annals of the South African Museum, Volumes 109-111 |
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Page 203
COILING The initial juvenile stages are unknown ; the earliest ontogenetic stages
present consist of slightly curved shafts with a whorl height of c . 20 mm . With the
exception of GD14000 , all the specimens consist of slightly curved shafts only ...
COILING The initial juvenile stages are unknown ; the earliest ontogenetic stages
present consist of slightly curved shafts with a whorl height of c . 20 mm . With the
exception of GD14000 , all the specimens consist of slightly curved shafts only ...
Page 222
Reasons for this can be ascribed to many factors . Because of the loose coiling in
most of the taxa , complete specimens are rare . The shells may be broken due to
predation , taphonomic processes and during preparation from the matrix .
Reasons for this can be ascribed to many factors . Because of the loose coiling in
most of the taxa , complete specimens are rare . The shells may be broken due to
predation , taphonomic processes and during preparation from the matrix .
Page 294
Coiling is sinistral , forming a regular , loose corkscrew , with the whorls
separated by intervals of approximately one whorl height . The holotype ( Fig .
48C - D ) shows that the last part of the body chamber curves upwards in
Eubostrychoceras ...
Coiling is sinistral , forming a regular , loose corkscrew , with the whorls
separated by intervals of approximately one whorl height . The holotype ( Fig .
48C - D ) shows that the last part of the body chamber curves upwards in
Eubostrychoceras ...
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Contents
Introduction | 5 |
Fieldwork | 11 |
Securing the right to the land 18061873 | 22 |
Copyright | |
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Common terms and phrases
accepted Administration Advisory Board ammonites authority Baster Bishop BMNH body chamber Campanian Cape Town Catholic Church coiling collections Collignon Coloured Coloured Affairs Coniacian consists continued Council Cretaceous Damaras described Description differs Discussion dorsal early edge Erythrosuchus africanus Eubostrychoceras European example families Farm farmers Figure flanks genus given Government groups holotype inhabitants Kennedy Klinger known KwaZulu land lateral living locality lower Maastrichtian Madagascar material Matsumoto medial meeting Members Middle Mission missionaries Namaqualand Natural Nostoceras occupiers Occurrence official original ornament Pella period political position possible posterior present Programme referred regarded region Report represented Reserves ribs Santonian separated shell shows similar social Society South African South African Museum species specimens St Lucia Formation structure suggested surface tubercles Type University upper venter ventral ventrolateral vertebrae whorl